343034431 has 4 divisors (see below), whose sum is σ = 343716912. Its totient is φ = 342351952.

The previous prime is 343034429. The next prime is 343034459. The reversal of 343034431 is 134430343.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134430343 = 3643 ⋅36901.

It is a cyclic number.

It is not a de Polignac number, because 343034431 - 2¹ = 343034429 is a prime.

It is a super-2 number, since 2×343034431² = 235345241702987522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 343034396 and 343034405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343034491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340486 + ... + 341491.

It is an arithmetic number, because the mean of its divisors is an integer number (85929228).

Almost surely, 2^343034431 is an apocalyptic number.

343034431 is a deficient number, since it is larger than the sum of its proper divisors (682481).

343034431 is an equidigital number, since it uses as much as digits as its factorization.

343034431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682480.

The product of its (nonzero) digits is 5184, while the sum is 25.

The square root of 343034431 is about 18521.1887037523. The cubic root of 343034431 is about 700.0234216653.

Adding to 343034431 its reverse (134430343), we get a palindrome (477464774).

The spelling of 343034431 in words is "three hundred forty-three million, thirty-four thousand, four hundred thirty-one".